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Finding the Fourth Proportional to 35,447.88, 48,916.12 and 22,018.89

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Solution

The fourth proportional to 35,447.88, 48,916.12 and 22,018.89 is: 30,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,447.88 : 48,916.12 = 22,018.89 : x
  2. Step 2: Convert to fraction form
    35,447.88/48,916.12 = 22,018.89/x
  3. Step 3: Cross multiply
    35,447.88x = 48,916.12 × 22,018.89
  4. Step 4: Simplify right side
    35,447.88x = 1,077,078,560.03
  5. Step 5: Solve for x
    x = 1,077,078,560.03/35,447.88
  6. Step 6: Final answer
    x = 30,384.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.